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Description of `buffer-invisibility-spec' in info page
From: |
Herbert Euler |
Subject: |
Description of `buffer-invisibility-spec' in info page |
Date: |
Fri, 30 Mar 2007 12:04:30 +0800 |
Description of `buffer-invisibility-spec' in info page
(info "(elisp) Invisible Text") is subtlely misleading. For a cons cell,
it says:
`(ATOM . t)'
A character is invisible if its `invisible' property
value is ATOM or if it is a list with ATOM as a member.
Moreover, if this character is at the end of a line and
is followed by a visible newline, it displays an
ellipsis.
But "at the end of a line" and "followed by a visible newline" are not
necessary. For example, evaluating the following expressions gets
an ellipsis in the *scratch* buffer:
(add-to-invisibility-spec '(with-ellipsis . t))
(make-overlay 1 3)
(let ((o (car (overlays-at 1))))
(overlay-put o 'invisible 'with-ellipsis))
Regards,
Guanpeng Xu
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- Description of `buffer-invisibility-spec' in info page,
Herbert Euler <=